Hartmut Roskos

Professor (C4)

Goethe-Universität

Germany

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Hartmut Roskos is a Professor (C4) at Johann Wolfgang Goethe-Universität in Germany. His research primarily focuses on terahertz technology, including imaging, metamaterial sensors, and device simulations. Recent articles highlight advancements in terahertz Fourier imaging, neural network applications for object reconstruction, and the performance of GaAs-based antenna-coupled field effect transistors.

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2021

Collaborators (6)

Fanqi Meng

Goethe University Frankfurt

GERMANY

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Safumi Suzuki

Prof.

Institute of Science Tokyo

JAPAN

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Juan Antonio Delgado Notario

Universidad de Salamanca

SPAIN

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WOJCIECH KNAP

Project supervisor/Professor

POLAND

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Petr Ourednik

TU Wien

AUSTRIA

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Sascha Preu

Full professor, Terahertz Devices and Systems

Technische Universität Darmstadt

GERMANY

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Hartmut Roskos

Research Interests

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About

Articles (25)

Status of three-dimensional terahertz Fourier imaging for industrial application [Invited]

Reconstruction of partially obscured objects with a physics-driven self-training neural network

Sensitivity and Figure-of-Merit Analysis of Terahertz Metamaterial Sensors With the Normalized Mode Volume

2-D Hydrodynamic Simulation of TeraFETs Beyond the Gradual-Channel Approximation for Transient, Large-Signal, or Ultrahigh-Frequency Simulations

High-power in-phase and anti-phase mode emission from linear arrays of resonant-tunneling-diode oscillators in the 0.4-to-0.8-THz frequency range

Modeling of Antenna-Coupled Si MOSFETs in the Terahertz Frequency Range

Terahertz Detection with Graphene FETs: Photothermoelectric and Resistive Self-Mixing Contributions to the Detector Response

Amplitude/Phase Retrieval for Terahertz Holography With Supervised and Unsupervised Physics-Informed Deep Learning

Mapping the slow and fast photoresponse of field-effect transistors to terahertz and infrared radiation

Coherent Terahertz Detection via Ultrafast Dynamics of Hot Dirac Fermions in Graphene

Strong coupling of metamaterials with cavity photons: toward non-Hermitian optics

Strong coupling of metamaterials with cavity photons: toward non-Hermitian optics

Room-Temperature Plasmon-Assisted Resonant THz Detection in Single-Layer Graphene Transistors

Si Superstrate Lenses on Patch-Antenna-Coupled TeraFETs: NEP Optimization and Frequency Fine-Tuning

GaAs-based antenna-coupled field effect transistors as direct THz detectors across a wide frequency range from 0.2 to 29.8 THz

Collective modes in the charge density wave state of K0.3MoO3 : Role of long-range Coulomb interactions revisited

Combined investigation of collective amplitude and phase modes in a quasi-one-dimensional charge density wave system over a wide spectral range

Determining the absolute temporal field of ultra-broadband terahertz-infrared pulses with field-induced second-harmonic spectrograms

State-of-the-Art Room Temperature Operable Zero-Bias Schottky Diode-Based Terahertz Detector Up to 5.56 THz

Novel antenna-coupled terahertz photodetector with graphene nanoelectrodes

Coherent coupling of metamaterial resonators with dipole transitions of boron acceptors in Si

Can a terahertz metamaterial sensor be improved by ultra-strong coupling with a high-Q photonic resonator?

Roadmap of Terahertz Imaging 2021

Strong interaction between two photons and a plasmon of a complementary metamaterial in a terahertz dual cavity

Terahertz scattering-type near-field microscopy quantitatively determines the conductivity and charge carrier density of optically doped and impurity-doped silicon

Collaborators (6)

Fanqi Meng

Safumi Suzuki

Juan Antonio Delgado Notario

WOJCIECH KNAP

Petr Ourednik

Sascha Preu

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